00391nam a2200121Ia 4500008004100000040001700041082002200058100002200080245005600102260004100158300001000199650006000209190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta338.5bH71P  aHofsten, Erland V 0aPrice indexes and quality changescErland V Hofsten  aLondonbGeorge Allen and Unwinc1952  a135p.  aPrice indexes; Quality control; Cost of standard living